-- @testpoint: opengauss关键字Grouping(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-失败
drop function if exists Grouping;
create function Grouping(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "Grouping";
create function "Grouping"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "Grouping";

--关键字带单引号-合理报错
drop function if exists 'Grouping';
create function 'Grouping'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `Grouping`;
create function `Grouping`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
